Haigh - Heap

(25) Haigh,A (1871) - Heap,G (2080) [B07] Dyfed closed (4), 30.10.2011 [Kemenade] 1.d4 Nf6 2.Bg5 e6 3.e4 d6 [3...h6 ; 3...Be7 ; 3...c5 ; 3...d5 alternatives] 4.Nc3 h6 [4...Be7 ] 5.Be3 [5.Bxf6 ; 5.Bh4 played more often] 5...a6 [5...Nbd7 ; 5...Be7 ; 5...d5 have been played] 6.Be2 Be7 7.e5 [7.Nf3 ] 7...dxe5 8.dxe5 Qxd1+ 9.Rxd1 Nfd7 10.f4+/= g5 11.g3 [11.Nf3+/- ] 11...Nc6 12.a3 b5 13.Bf3 [13.Nf3 ] 13...Bb7 14.Nge2 [14.a4= ] 14...g4 [14...0-0-0=/+ ] 15.Bg2 0-0-0 16.Kf2= Na5 17.Bxb7+ [17.h3!? ] 17...Kxb7 18.Ne4 [18.a4 Rudy & Fritz13] 18...Nc4 19.Bc1 [19.Bd4!? ] 19...Nc5 [19...h5 ] 20.N2c3 [20.N4c3 ] 20...h5 21.Nd2 [21.Rxd8 Rxd8 22.h3= ] 21...Nb6 22.b4 Nca4 23.Nxa4 Nxa4 24.Ne4 c5=/+ 25.c3 Kc6 26.Be3 Rd5 27.Rd2 [27.Rxd5 exd5 28.Nxc5 Nxc5 29.Bxc5 Bxc5+ 30.bxc5 Kxc5 31.Re1= ] 27...Rxd2+ 28.Bxd2-/+ Kd5-/+ [28...h4-/+ ] 29.Ke3 Nb2 [29...h4 ] 30.Bc1 Nc4+ 31.Kd3 a5 32.Re1 [32.h3!? ] 32...axb4 33.cxb4 cxb4 34.axb4 Bxb4-+ 35.Re2 Kc6 36.Ra2 Kb7 [36...Rd8+ ] 37.Be3 Nxe3 38.Kxe3 Be7 39.Rd2 Rd8 [39...Kc7-/+ ] 40.Rxd8 Bxd8 41.Kd3 [41.Nd6+ Kc6 42.Nxf7 Bb6+ 43.Ke4= ] 41...Kc6 [41...Bb6-+ ] 42.Kc3 Be7 [42...Ba5+ 43.Kb3 Bb6-+ ] 43.Kd4 h4?! weakens g4, which the B cant defend [43...Ba3-+ ] 44.Nd2 [44.Kd3 ] 44...hxg3 [44...Bc5+ 45.Ke4 hxg3 46.hxg3 Bf2 47.Nf1 b4 48.Kd3 b3 49.Kc3 Kd5 50.Kxb3 Ke4 51.Nh2 Kf5 52.Nf1 Bxg3 53.Nxg3+ Kxf4-+ ] 45.hxg3 Bc5+ 46.Kd3 Kd5 [46...Bg1 47.Ne4 Bh2-/+ ] 47.Ne4= Be7 48.Nf2 Kc5 [48...f5!? ] 49.Nxg4 Kb4 50.Kc2 [50.Nh6 f5 51.exf6 Bxf6 52.g4= ] 50...Ka3 51.Kb1 Bc5 [51...Kb3 52.Nh6 f5 (52...f6 53.f5 ) 53.exf6 Bxf6 54.g4 Kc4= ] 52.Nh6+- Bf2 53.Nxf7 [53.g4!+- Bg3 (53...f5 54.exf6 ) 54.Nxf7 Bxf4 55.g5+- ] 53...Bxg3 1/2-1/2